-Sippy cup continues the transition for children 8mo+ learning to drink on their own. -Double walled insulation keeps liquids cold for 10hrs and hot for 5. -Offers a comfortable-to-the-touch exterior that won’t feel hot or cold in the hands -Stainless steel keeps bottle corrosion & scratch resistant, odorless & unbreakable -Straws help strengthen muscles in the mouth that are important for eating and talking. -Features a slide opening that’s 100% leak proof, open or closed. -Outfitted with removable handles -Fully demountable for easy cleaning -100% Recyclable & Reusable -BPA, Lead & Phthalate free -Food contact safe, passes all EU and US Safety Standards